phoray's Manga

Recc because of similar to kill the Villainess and Penelope the bitch

he story and everyone involved in-universe, including him, ultimately agree that the brainwashing doesn't excuse literally any of the awful things he's done. The look on his face when he realizes that everything was still his fault because it was his own decisions and personality flaws that made him susceptible to the spell in the first place is pure

The OGFL gets access to items that charm the the FL's friends and loved ones and get them to favour the OGFL over the FL, but they only work because they exacerbate existing insecurities and resentment they had toward her. One of the characters points out that if they were strong-willed enough they could have broken through the brainwashing instead of just throwing away years of an established relationship.